#ifndef _LIB_H_
#define _LIB_H_

#define NULL ((void*)0)
#define UART0_A9 ((*(volatile unsigned char *)0x10009000))

void display(char *string);
unsigned int raise (unsigned int signum);
void * memset(void *dest, int set, unsigned int len);
void* memcpy(void* dest,const void* src, unsigned int num);

#endif
